Book excerpt: If you like scary stories, you'll love The Mystery of Darkhill School: A terrifying tale of revenge. Bella Gubbins has just moved to a new home in a new town. She's not happy about this. And she's about to be even less happy when she finds out that the school she'll be attending is haunted by an old man who stalks the corridors. Who is he? What does he want? And why is he intent on terrifying some of the kids? The tip, tap of his walking stick announces his arrival. You can run. You can hide. But there's no getting away from the master. DO NOT end up in detention ...